Credit: @peteoxford
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I have no idea what was going on with these Southern diamond stingrays in Galapagos. Although I have seen many hundreds in my years on the islands I have never seen this before. The concentration of them, virtually lying on top of each other, would probably indicate that it is a courting aggregation in a precursor to mating. Other than that it has to be food related.

Credit: @peteoxford
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Once you join a young sealion in it's element all it wants to do is play. It rushes at you, blows bubbles and then swims circles around you. Indeed most people's strongest memories of Galapagos are the ones swimming with sealions.

Credit: @kelly.m.martin
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My heart rate may have picked up a few paces when this reef shark made a bee-line for me, but nothing like diving with 15+ of them to show you how incredible these creatures are. They deserve our respect and protection, not our fear.